Port 7236 (display)

IANA assigns port 7236 to display: Wi-Fi Alliance Wi-Fi Display Protocol.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

display TCP Wi-Fi Alliance Wi-Fi Display Protocol
Defined TXT keys: _display.tcp. Display Protocol Wi-Fi Alliance -

Registry dates for this port: registered 2012-04-09.

Linux: is anything listening on TCP 7236?

sudo ss -tlnp 'sport = :7236'

Linux / macOS: which process owns the port

sudo lsof -nP -i :7236

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':7236 '

Windows (Command Prompt)

netstat -ano | findstr :7236

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 7236 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 7236

From Windows

Test-NetConnection HOST -Port 7236

ufw

sudo ufw deny 7236/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 7236 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 7236 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 7236' -Direction Inbound -Protocol TCP -LocalPort 7236 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.